The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 1988
Filed:
Jun. 25, 1987
Masaru Nikaido, Miura, JP;
Yoshiaki Ouchi, Yokohama, JP;
Taketoshi Shimoma, Isezaki, JP;
Eiji Kamohara, Fukaya, JP;
Shigeru Sugawara, Fukaya, JP;
Hideki Yamaguchi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A resistor is provided which comprises an insulation substrate, a resistive layer prepared from inorganic materials and printed on the insulation substrate, and an insulation layer prepared from borosilicate lead glass and overcoated on the resistive layer. The insulation layer contains an oxide of at least one transition metal selected from the group consisting of iron, nickel, chromium, cobalt, zinc, copper, zirconium, and cadmium. In the course of operation, the resistor of the present invention exhibits no changes in its resistance, irrespective of the length of time it may be operated.